| 摘要 |
<p>A liquid infusion device (I) comprising a bladder assembly (A) and a flow-regulating portion (C). The bladder assembly (A) comprises a tubular outer shaft (101), an inner shaft slidably (102) received within the outer shaft and a bladder (103) covering the outer and inner shafts. The bladder can inflate in both its radial and axial directions whereby reducing the residual amounts of liquid drug in the bladder on dispensation of liquid drug. The flow-regulating portion (C) comprises a pipe having at least one small hole or a pipe having a very small diameter, so that the accurate regulation of liquid drug can be performed.</p> |
